[Purpose/significance] iConference is an important international conference in information science. By combing and summarizing the accepted paper in iConference 2019, this paper aims to provide reference for future related search in information science.[Method/process] From the four dimensions of research method, research topic, research process and research finding, this paper summarized reviewed 77 accepted paper on 24 themes in iConference 2019.[Result/conclusion] As the annual conference of iSchool, iConference's topic covers the latest achievements of theoretical research and application in the field of information science. From the accepted paper, we find that the data-driven research paradigm provides an opportunity for the integration and development of information science and other disciplines, and promotes libraries and information disciplines to discover research problems in the new research scenarios; semi-structured interviews, questionnaires, grounded theory, statistical analysis and other qualitative and quantitative methods are the main research methods; research data acquisition is an extremely important research process.